US4828882A - Particle encapsulation technique - Google Patents
Particle encapsulation technique Download PDFInfo
- Publication number
- US4828882A US4828882A US07/026,713 US2671387A US4828882A US 4828882 A US4828882 A US 4828882A US 2671387 A US2671387 A US 2671387A US 4828882 A US4828882 A US 4828882A
- Authority
- US
- United States
- Prior art keywords
- particles
- coating
- solvent
- polymer
- additive
- Prior art date
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- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
- B05D1/22—Processes for applying liquids or other fluent materials performed by dipping using fluidised-bed technique
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/264—Synthetic macromolecular compounds derived from different types of monomers, e.g. linear or branched copolymers, block copolymers, graft copolymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/305—Addition of material, later completely removed, e.g. as result of heat treatment, leaching or washing, e.g. for forming pores
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/305—Addition of material, later completely removed, e.g. as result of heat treatment, leaching or washing, e.g. for forming pores
- B01J20/3064—Addition of pore forming agents, e.g. pore inducing or porogenic agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3204—Inorganic carriers, supports or substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3206—Organic carriers, supports or substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3268—Macromolecular compounds
- B01J20/327—Polymers obtained by reactions involving only carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3268—Macromolecular compounds
- B01J20/3272—Polymers obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3268—Macromolecular compounds
- B01J20/3276—Copolymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3291—Characterised by the shape of the carrier, the coating or the obtained coated product
- B01J20/3293—Coatings on a core, the core being particle or fiber shaped, e.g. encapsulated particles, coated fibers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3291—Characterised by the shape of the carrier, the coating or the obtained coated product
- B01J20/3297—Coatings in the shape of a sheet
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/108—Immobilising gels, polymers or the like
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
- C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
- C12N11/04—Enzymes or microbial cells immobilised on or in an organic carrier entrapped within the carrier, e.g. gel or hollow fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
Description
______________________________________ Suspension Air Flow 400 mL/sec Atomizer Air Fow 86 mL/sec Suspension Air Inlet Temperature 80° C. Coating Solution Spraying Rate 3.0 mL/min Particles Charged 40 g Viscosity of Coating Solution 50 cp Particle Size of 14/30 mm (U.S. standard Particulate Material mesh) ______________________________________
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/026,713 US4828882A (en) | 1987-03-16 | 1987-03-16 | Particle encapsulation technique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/026,713 US4828882A (en) | 1987-03-16 | 1987-03-16 | Particle encapsulation technique |
Publications (1)
Publication Number | Publication Date |
---|---|
US4828882A true US4828882A (en) | 1989-05-09 |
Family
ID=21833400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/026,713 Expired - Fee Related US4828882A (en) | 1987-03-16 | 1987-03-16 | Particle encapsulation technique |
Country Status (1)
Country | Link |
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US (1) | US4828882A (en) |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5211985A (en) * | 1991-10-09 | 1993-05-18 | Ici Canada, Inc. | Multi-stage process for continuous coating of fertilizer particles |
WO1994020287A1 (en) * | 1993-03-01 | 1994-09-15 | Cirrus Ab | Method and means for making expanded polymer products |
WO1995017955A1 (en) * | 1991-09-27 | 1995-07-06 | Cultor Ltd. | Adsorption material and method |
US5541009A (en) * | 1993-03-08 | 1996-07-30 | Buck Werke Gmbh & Co. | Process for preparing water-based pyrotechnic active compositions containing metal powder, coated metal powders and use thereof |
US5800658A (en) * | 1993-03-01 | 1998-09-01 | Cirrus Ab | Method and means by manufacture of a product of expanded polymer |
US5817046A (en) * | 1997-07-14 | 1998-10-06 | Delcath Systems, Inc. | Apparatus and method for isolated pelvic perfusion |
US5834114A (en) * | 1995-05-31 | 1998-11-10 | The Board Of Trustees Of The University Of Illinois | Coated absorbent fibers |
US5919163A (en) * | 1997-07-14 | 1999-07-06 | Delcath Systems, Inc. | Catheter with slidable balloon |
US6143370A (en) * | 1997-08-27 | 2000-11-07 | Northeastern University | Process for producing polymer coatings with various porosities and surface areas |
US6186146B1 (en) | 1996-08-30 | 2001-02-13 | Delcath Systems Inc | Cancer treatment method |
US6607598B2 (en) | 1999-04-19 | 2003-08-19 | Scimed Life Systems, Inc. | Device for protecting medical devices during a coating process |
US6730349B2 (en) | 1999-04-19 | 2004-05-04 | Scimed Life Systems, Inc. | Mechanical and acoustical suspension coating of medical implants |
US20040219268A1 (en) * | 2001-08-03 | 2004-11-04 | Ingmar Hogoy | Encapsulation |
US20110034993A1 (en) * | 1999-04-19 | 2011-02-10 | Boston Scientific Scimed, Inc. | Coated medical implants |
US9217098B1 (en) | 2015-06-01 | 2015-12-22 | Sirrus, Inc. | Electroinitiated polymerization of compositions having a 1,1-disubstituted alkene compound |
US9234107B2 (en) | 2012-03-30 | 2016-01-12 | Sirrus, Inc. | Ink coating formulations and polymerizable systems for producing the same |
US20160016120A1 (en) * | 2013-02-25 | 2016-01-21 | University Industry Foundation Yonsei University Wonju Campus | Hollow fiber membrane module and water treatment device using hollow fiber membrane module |
US9334430B1 (en) | 2015-05-29 | 2016-05-10 | Sirrus, Inc. | Encapsulated polymerization initiators, polymerization systems and methods using the same |
US9527795B2 (en) | 2011-10-19 | 2016-12-27 | Sirrus, Inc. | Methylene beta-ketoester monomers, methods for making methylene beta-ketoester monomers, polymerizable compositions and products formed therefrom |
US9752059B2 (en) | 2012-11-16 | 2017-09-05 | Sirrus, Inc. | Plastics bonding systems and methods |
WO2018033913A1 (en) | 2016-08-16 | 2018-02-22 | Technion Research & Development Foundation Limited | Polyhipe-base substance-releasing systems |
US10047192B2 (en) | 2012-06-01 | 2018-08-14 | Sirrus, Inc. | Optical material and articles formed therefrom |
US10414839B2 (en) | 2010-10-20 | 2019-09-17 | Sirrus, Inc. | Polymers including a methylene beta-ketoester and products formed therefrom |
US10607910B2 (en) | 2012-11-30 | 2020-03-31 | Sirrus, Inc. | Composite compositions for electronics applications |
US10913875B2 (en) | 2012-03-30 | 2021-02-09 | Sirrus, Inc. | Composite and laminate articles and polymerizable systems for producing the same |
Citations (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA544029A (en) * | 1957-07-23 | H. Reman Gerrit | Coating finely divided solid materials | |
US2809900A (en) * | 1954-08-04 | 1957-10-15 | Goodrich Co B F | Article of manufacture containing plastic and method for making the same |
US2983960A (en) * | 1953-04-04 | 1961-05-16 | Kotitzer Ledertuch Und Wachstu | Method of making an artificial suede-like body |
CA754504A (en) * | 1967-03-14 | Smith Kline And French Inter-American Corporation | Apparatus and method for coating discrete solids | |
CA795279A (en) * | 1968-09-24 | Lowenthal Werner | Method for coating particles | |
CA797153A (en) * | 1968-10-22 | Wisconsin Alumni Research Foundation | Particle coating apparatus | |
CA808109A (en) * | 1969-03-11 | M. Kaltenbach Roger | Conditioned particulate matter applied to fertilizers | |
CA982941A (en) * | 1970-12-17 | 1976-02-03 | Thomas M.S. Chang | Blood compatible microencapsulated detoxicants |
CA1049334A (en) * | 1973-07-23 | 1979-02-27 | Novo Terapeutisk Laboratorium A/S | Process for coating water soluble or water dispersible particles by means of the fluid bed technique |
CA1087933A (en) * | 1974-05-10 | 1980-10-21 | Wendell W. Moyer, Jr. | Coated particles and conductive compositions therefrom |
US4259445A (en) * | 1979-06-01 | 1981-03-31 | Cpc International | Immobilized enzyme catalyst |
US4337313A (en) * | 1980-12-08 | 1982-06-29 | Miles Laboratories, Inc. | Immobilization of biocatalysts |
US4350675A (en) * | 1979-08-30 | 1982-09-21 | International Standard Electric Corporation | Controlled release glass |
CA1132048A (en) * | 1977-12-08 | 1982-09-21 | Charles B. Taskis | Coated particles containing clavulanic acid |
US4391909A (en) * | 1979-03-28 | 1983-07-05 | Damon Corporation | Microcapsules containing viable tissue cells |
US4428973A (en) * | 1980-11-17 | 1984-01-31 | Saat- Und Erntetechnik Gmbh | Method for the homogeneous complete encapsulation of individual grains of pourable material and apparatus for its production |
US4438198A (en) * | 1981-09-30 | 1984-03-20 | Trimedyne, Inc. | Biochemically active matrix for use in a bio-artificial organ |
US4518693A (en) * | 1982-11-01 | 1985-05-21 | Research Corporation | Immobilized biocatalysts |
US4621072A (en) * | 1981-06-26 | 1986-11-04 | Degussa Aktiengesellschaft | Process for preparing abrasion-resistant coated catalysts |
US4701353A (en) * | 1983-08-27 | 1987-10-20 | Unie Van Kunstmestfabrieken B.V. | Process for the preparation of granules |
-
1987
- 1987-03-16 US US07/026,713 patent/US4828882A/en not_active Expired - Fee Related
Patent Citations (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA754504A (en) * | 1967-03-14 | Smith Kline And French Inter-American Corporation | Apparatus and method for coating discrete solids | |
CA795279A (en) * | 1968-09-24 | Lowenthal Werner | Method for coating particles | |
CA797153A (en) * | 1968-10-22 | Wisconsin Alumni Research Foundation | Particle coating apparatus | |
CA808109A (en) * | 1969-03-11 | M. Kaltenbach Roger | Conditioned particulate matter applied to fertilizers | |
CA544029A (en) * | 1957-07-23 | H. Reman Gerrit | Coating finely divided solid materials | |
US2983960A (en) * | 1953-04-04 | 1961-05-16 | Kotitzer Ledertuch Und Wachstu | Method of making an artificial suede-like body |
US2809900A (en) * | 1954-08-04 | 1957-10-15 | Goodrich Co B F | Article of manufacture containing plastic and method for making the same |
CA982941A (en) * | 1970-12-17 | 1976-02-03 | Thomas M.S. Chang | Blood compatible microencapsulated detoxicants |
CA1049334A (en) * | 1973-07-23 | 1979-02-27 | Novo Terapeutisk Laboratorium A/S | Process for coating water soluble or water dispersible particles by means of the fluid bed technique |
CA1087933A (en) * | 1974-05-10 | 1980-10-21 | Wendell W. Moyer, Jr. | Coated particles and conductive compositions therefrom |
CA1132048A (en) * | 1977-12-08 | 1982-09-21 | Charles B. Taskis | Coated particles containing clavulanic acid |
US4391909A (en) * | 1979-03-28 | 1983-07-05 | Damon Corporation | Microcapsules containing viable tissue cells |
US4259445A (en) * | 1979-06-01 | 1981-03-31 | Cpc International | Immobilized enzyme catalyst |
US4350675A (en) * | 1979-08-30 | 1982-09-21 | International Standard Electric Corporation | Controlled release glass |
US4428973A (en) * | 1980-11-17 | 1984-01-31 | Saat- Und Erntetechnik Gmbh | Method for the homogeneous complete encapsulation of individual grains of pourable material and apparatus for its production |
US4337313A (en) * | 1980-12-08 | 1982-06-29 | Miles Laboratories, Inc. | Immobilization of biocatalysts |
US4621072A (en) * | 1981-06-26 | 1986-11-04 | Degussa Aktiengesellschaft | Process for preparing abrasion-resistant coated catalysts |
US4438198A (en) * | 1981-09-30 | 1984-03-20 | Trimedyne, Inc. | Biochemically active matrix for use in a bio-artificial organ |
US4518693A (en) * | 1982-11-01 | 1985-05-21 | Research Corporation | Immobilized biocatalysts |
US4701353A (en) * | 1983-08-27 | 1987-10-20 | Unie Van Kunstmestfabrieken B.V. | Process for the preparation of granules |
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995017955A1 (en) * | 1991-09-27 | 1995-07-06 | Cultor Ltd. | Adsorption material and method |
US5211985A (en) * | 1991-10-09 | 1993-05-18 | Ici Canada, Inc. | Multi-stage process for continuous coating of fertilizer particles |
US5399186A (en) * | 1991-10-09 | 1995-03-21 | Ici Canada, Inc. | Apparatus and process for coating particles |
WO1994020287A1 (en) * | 1993-03-01 | 1994-09-15 | Cirrus Ab | Method and means for making expanded polymer products |
US5800658A (en) * | 1993-03-01 | 1998-09-01 | Cirrus Ab | Method and means by manufacture of a product of expanded polymer |
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